Description
The Delta ASB0312LA-DR00 (also known as ASB0312LADR00) is a compact, high-reliability brushless DC axial cooling fan engineered in a micro 30 x 30 x 10 mm (1.181 x 1.181 x 0.394 in) frame size. Operating on a 12 VDC nominal supply with an input power draw of 0.60 W, it delivers a rated rotational speed of 8000 RPM, producing 3.21 CFM (5.46 m³/h) of airflow against a maximum static pressure of 0.131 in H₂O (32.65 Pa) while maintaining a low acoustic profile of 21.0 dB(A). Built with durable UL 94V-0 flame-retardant plastic housing and impeller, the assembly utilizes a precision sleeve bearing mechanism and integrated locked-rotor impedance protection for sustained duty. Electrical interfacing is handled via three UL 1061 AWG #28 lead wires featuring an integrated open-collector Rotation Detect (RD) lock-signal output for real-time fault monitoring.
Key Features
- Micro Compact Footprint: Standard 30 x 30 x 10 mm square geometry facilitates high-density thermal management in space-constrained embedded enclosures.
- Dedicated Lock Signal: Integrated third-wire open-collector RD sensor provides immediate locked-rotor notification to external monitoring logic circuits.
- Acoustic Optimization: Precision aerodynamic blade design generates 3.21 CFM airflow while limiting operational noise to 21.0 dB(A).
- Robust Protection Suite: Built-in 96-hour locked rotor impedance protection and reverse polarity capability prevent electrical burnout under fault states.
- Industrial Flame Resistance: Housing and impeller are molded from UL 94V-0 rated thermoplastic for superior electrical insulation and fire resistance.
Technical Specifications
| Manufacturer | Delta |
|---|---|
| Manufacturer Part Number (MPN) | ASB0312LA-DR00 |
| Alternate Part Number | ASB0312LADR00 |
| Product Series | ASB Series |
| Product Category | DC Axial Fans |
| Fan / Component Type | Brushless DC Tubeaxial Cooling Fan |
| Phase & Supply Type | DC Single Phase |
| Rated Voltage | 12 VDC |
| Operating Voltage Range | 7.0 to 13.2 VDC |
| Min. Starting Voltage | 7.0 VDC |
| Rated Current | 0.05 A |
| Max. Current Draw | 0.10 A |
| Safety Current on Label | 0.10 A |
| Power Rating (Nominal) | 0.60 W (600 mW) |
| Max. Input Power | 1.20 W |
| Speed (RPM) | 8000 RPM (±15%) |
| Airflow | 3.21 CFM (5.46 m³/h / 0.091 m³/min) |
| Minimum Airflow | 2.73 CFM (4.64 m³/h / 0.077 m³/min) |
| Static Pressure | 0.131 in H₂O (32.65 Pa / 3.33 mmH₂O) |
| Minimum Static Pressure | 0.094 in H₂O (23.54 Pa / 2.40 mmH₂O) |
| Noise Level | 21.0 dB(A) |
| Max. Noise Level | 25.5 dB(A) |
| Airflow Direction | Exhaust over struts (intake on open blade side) |
| Direction of Rotation | Counterclockwise (CCW) viewed from front of airflow inlet |
| Dimensions (L × H × D) | 30.0 × 30.0 × 10.0 mm (1.181 × 1.181 × 0.394 in) |
| Mounting Hole Pitch | 24.0 ± 0.3 mm (0.945 in) |
| Mounting Hole Diameter | 4 × Ø 3.2 ± 0.3 mm (Ø 0.126 in) |
| Housing Material | Plastic (UL 94V-0) |
| Impeller Material | Plastic (UL 94V-0) |
| Bearing Type | Precision Sleeve Bearing |
| Weight | 7.4 g (0.016 lbs / 0.26 oz) |
| Termination & Cable Specs | 3 Wire Leads, UL 1061 AWG #28, Length 150.0 ± 10.0 mm (5.906 in) |
| Wiring Pinout / Connection | Red Wire: Positive (+), Black Wire: Negative (-), Blue Wire: Lock Signal (-R00) |
| Control / Signal Features | Rotation Detect (RD) Lock Signal, Open Collector Output |
| RD Output Circuit Specs | VCE(sat) ≤ 0.5 V, IC ≤ 5 mA, VGD ≤ 13.2 VDC Max |
| Motor Protection | Impedance Protected (prevents fire up to 96 hrs locked rotor), Reverse Polarity Protection |
| Insulation Class | UL Class A |
| Insulation Resistance | 10 MΩ min. at 500 VDC (between frame and (+) terminal) |
| Dielectric Strength | 5 mA max. at 500 VAC, 50/60 Hz, 1 minute (between frame and (+) terminal) |
| External Cover | Open Type |
| Operating Temperature | -10 °C to +70 °C (14 °F to 158 °F) |
| Storage Temperature | -40 °C to +75 °C (-40 °F to 167 °F) |
| Operating Humidity | 5 to 90% RH |
| Storage Humidity | 5 to 95% RH |
| Service Life (L10) | 20,000 Hours continuous operation at 40 °C, 65% RH |
| Standards & Compliance | cURus, TUV, RoHS Compliant, Lead-Free, Ozone Depletion Free |
Applications
The Delta ASB0312LA-DR00 micro tubeaxial fan is deployed for point-of-load spot cooling within compact electronic assemblies, single-board computers, and 1U telecommunication switches. Its miniature frame is regularly utilized in edge computing routers, embedded industrial motherboards, laser diode driver modules, and optical transceivers where active forced-air ventilation is essential in confined cavities. Maintenance technicians and systems builders also integrate this unit into laboratory analytical equipment, video broadcast convertors, and medical diagnostic hardware requiring continuous thermal reliability and rotation failure monitoring.
Reviews
There are no reviews yet.